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Finding the Fourth Proportional to 169,937.12, 254,756.64 and 64,686.08

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Solution

The fourth proportional to 169,937.12, 254,756.64 and 64,686.08 is: 96,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,937.12 : 254,756.64 = 64,686.08 : x
  2. Step 2: Convert to fraction form
    169,937.12/254,756.64 = 64,686.08/x
  3. Step 3: Cross multiply
    169,937.12x = 254,756.64 × 64,686.08
  4. Step 4: Simplify right side
    169,937.12x = 16,479,208,395.57
  5. Step 5: Solve for x
    x = 16,479,208,395.57/169,937.12
  6. Step 6: Final answer
    x = 96,972.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.